فُو, with the و quiescent, [Valerian;] a certain medicine, (Ḳ, TA,) a diuretic, (CK,) beneficial as a remedy for pain of the side and for alopecia. (Ḳ, TA.)

As a prefixed noun, signifying The mouth, see voce فُوهٌ, in art. فوه.

فُوَّةٌ, (T, Ṣ, M, Ḳ,) like قُوَّةٌ [in form], (Ṣ, Ḳ,) [Madder; the species thereof used by dyers; rubia tinctorum;] certain roots (Lth, T, Ṣ, M, Ḳ) of a plant (M) which are extracted from the earth, (Lth, T, M,) with which they dye (Lth, T, Ṣ, M, Ḳ) clothes, or garments: (Lth, T:) AḤn says, red roots of a plant which rises slender, having upon its head berries intensely red and having much juice used for writing therewith and variegating: (M:) called in Pers. رُويَن: (PṢ: [in a copy of the T رُوَين or دُوَين: and in my copies of the Ṣ روَينه and رُويَنَهٌ:]) it is [also used as] a medicine, having the property of causing abortion, (Ḳ,) producing a flow of the urine and of the men strual discharge, (Ḳ,* TA,) aperient, clearing the complexion or skin, clearing the skin from every mark of the ringworm and of the white [species of leprosy termed] يَهَق: (Ḳ:) it has been mentioned also in the Ḳ as ending with [a radical] ه [i. e. written فُوَّةٌ, in art. فوه]; but, as is said by Lth, [and in the T,] the final letter is that which denotes the fem gender. (TA.)

مُفَوًّى Dyed with فُوَّة; applied to a garment; (T, Ṣ, M, Ḳ;) and to a hide. (M.)

And مُفَوَّاةٌ A land (أَرْضٌ) abounding with فُوّة: (AḤn, M, Ḳ:) or having in it فُوّة: (M:) and مُفَبَّاةٌ signifies the same: (TA in art. غبى:) or you say ارض مَفواة من المفاوِى [i. e.مَفْوَاةٌ↓, of which the pl., without the article, is مَفَاوٍ]; (T;) المَفَاوِى signifying the lands (الأَرَضُونَ) that give growth to فُوَّة. (TA.)